Home / 1,817.39-2,506.63-1,565.74

Finding the Fourth Proportional to 1,817.39, 2,506.63 and 1,565.74

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Solution

The fourth proportional to 1,817.39, 2,506.63 and 1,565.74 is: 2,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.39 : 2,506.63 = 1,565.74 : x
  2. Step 2: Convert to fraction form
    1,817.39/2,506.63 = 1,565.74/x
  3. Step 3: Cross multiply
    1,817.39x = 2,506.63 × 1,565.74
  4. Step 4: Simplify right side
    1,817.39x = 3,924,731.84
  5. Step 5: Solve for x
    x = 3,924,731.84/1,817.39
  6. Step 6: Final answer
    x = 2,159.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.